If x^2−9x+|k|=0, where x is a variable and k is a constan...

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PS · Problem Solving

705-805

Algebra

If x^2−9x+|k|=0, where x is a variable and k is a constant, has two distinct roots. How many integer values can k take?

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A

10

B

20

C

21

D

40

E

41

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